ENGLISH-107
0
3
O
THERS
Things to check after completing the installation
1. Before supplying the power, use DC 500 V (AM
✴✴✴
HXWAF
✴
) or DC 600 V (AM
✴✴✴
HXWAJ
✴
) insulation resistance
tester to measure the power (3 phase: R, S, T) terminal and the outdoor unit grounding.
- Measurement should be over 30 MΩ.
2. Before supplying the power, use a voltmeter and phase tester to check the voltage and the phase.
- Single phase 2 wired power supply
L and N terminals: Check the 220 V (AM
✴✴✴
KXWD
✴
) between wires.
L
N
[AM
✴✴✴
KXWD
✴
]
<ELB>
220 V
- R, S, T terminal: Check the 230 V (AM
✴✴✴
HXWAF
✴
) or 460 V (AM
✴✴✴
HXWAJ
✴
) between wires (R-S, S-T, T-R)
T
S
R
[AM
✴✴✴
HXWAF
✴
]
<ELB>
230 V
230 V
230 V
T
S
R
<ELB>
[AM
✴✴✴
HXWAJ
✴
]
460 V
460 V
460 V
t
Never measure the communication terminal since communication circuit may get damaged.
t
Check for short-circuit of the communication terminal with a general circuit tester.
CAUTION
3. Check if the R-410A indoor units are connected.
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